208121511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{17159}}^1$

素因数の和:17486

約数の個数: 16

約数和(自身を含む): 299819520

約数和(自身を除く): 91698009

約数列:

[1, 3, 13, 39, 311, 933, 4043, 12129, 17159, 51477, 223067, 669201, 5336449, 16009347, 69373837, 208121511]

約数ペア:

[(1, 208121511), (3, 69373837), (13, 16009347), (39, 5336449), (311, 669201), (933, 223067), (4043, 51477), (12129, 17159)]